Consider the following data set:
Variable 1: 2 7 5 10 8 10 14
Variable 2: 5 10 15 23 14 17 25
The sample correlation coefficient for this data set is:
a. .53 b. .89 c. -.53 d. 1.56
(How to calculateate it by use the graph calculator, or something simply ways)
Consider the following data set: Variable 1: 2 7 5 10 8 10 14 Variable 2:...
excel
Consider the following data set: Variable 1: 275 10 8 10 14 Variable 2: 7 12 10 18 11 21 14 What is the sample correlation coefficient for this data set? A. -0.21 OB. 0.50 O C. 0.70 D. -0.66 Click to select your answer
(1 point) Consider the following small data set. Subject x y 1 10 28 2 14 19 3 7 30 4 14 30 5 16 26 Find the linear correlation coefficient.
For the accompanying data set, (a) draw a scatter diagram of the data, (b) by hand, compute the correlation coefficient, and (c) determine whether there is a linear relation between x and y. Data Set x 2 4 6 6 7 y 4 8 10 14 19 Critical Values for Correlation Coefficient n 3 0.997 4 0.950 5 0.878 6 0.811 7 0.754 8 0.707 9 0.666 10 0.632 11 0.602 12 0.576 13 0.553 14 0.532 15 0.514 16...
Consider the following small data set Subject x y 1 14 30 2 15 21 3 15 25 4 3 19 5 6 31 Find the linear correlation coefficient. r =
Consider the following sample data: x 8 10 7 5 2 y 11 2 7 4 8 Click here for the Excel Data File a. Calculate the covariance between the variables. (Negative value should be indicated by a minus sign. Round your intermediate calculations to at least 4 decimal places and final answer to 2 decimal places.) b. Calculate the correlation coefficient. (Round your intermediate calculations to 4 decimal places and final answer to 2 decimal places.)
Given the following data set X3 4 5 7 8 7 4 6 7 12 14 a) Draw a Scaker diagram b) Find the coefficient of of determination and Correlation c R² and coefficient c Determine If it is if linear the relation determine is the linear or nonlineare linear regression line d) If line in the and (a) relation sketch above. is linear on the determine the regression same Cordinate System
Consider the following two sample data sets. Set 1: 6 39 8 7 0 Set 2: 2 16 18 7 4 a. Calculate the coefficient of variation for each data set. b. Which data set has more variability? a. The coefficient of variation for set 1 is %. (Round to one decimal place as needed.)
The percentile ranks are very useful when comparing values from two different data sets. True False 3 10 Question 20 (5 points) Consider the following data set: Variable 1: 20 15 14 10 5 5 8 Variable 2: 2 9 5 3 8 10 17 The sample correlation coefficient for this data set is: O 0.18 0.47 0-0.80 0-0.55
For the accompanying data set, (a) draw a scatter diagram of the data, (b) by hand, compute the correlation coefficient, and (c) determine whether there is a linear relation between x and y. Click here to view the data set. LOADING... Click here to view the critical values table. LOADING... (a) Draw a scatter diagram of the data. Choose the correct graph below. A. 010020xy A scatter diagram has a horizontal x-axis labeled from 0 to 10 in increments of...
Please help me with part C. For the accompanying data set, (a) draw a scatter diagram of the data, (b) compute the correlation coefficient, and (c) determine whether there is a linear relation between x and y. (b) Compute the correlation coefficient. The correlation coefficient is requals=0.397 (Round to three decimal places as needed.) (c) Determine whether there is a linear relation between x and y. Because the correlation coefficient is _______ and the absolute value of the correlation coefficient,...